sointu/tracker/gioui/songpanel.go
2025-04-27 21:30:10 +03:00

431 lines
16 KiB
Go

package gioui
import (
"fmt"
"image"
"image/color"
"strconv"
"gioui.org/gesture"
"gioui.org/layout"
"gioui.org/op/clip"
"gioui.org/op/paint"
"gioui.org/unit"
"gioui.org/widget/material"
"github.com/vsariola/sointu/tracker"
"github.com/vsariola/sointu/version"
"golang.org/x/exp/shiny/materialdesign/icons"
)
type SongPanel struct {
SongSettingsExpander *Expander
ScopeExpander *Expander
LoudnessExpander *Expander
PeakExpander *Expander
WeightingTypeBtn *Clickable
OversamplingBtn *Clickable
BPM *NumberInput
RowsPerPattern *NumberInput
RowsPerBeat *NumberInput
Step *NumberInput
SongLength *NumberInput
Scope *Oscilloscope
MenuBar *MenuBar
PlayBar *PlayBar
}
func NewSongPanel(model *tracker.Model) *SongPanel {
ret := &SongPanel{
BPM: NewNumberInput(model.BPM().Int()),
RowsPerPattern: NewNumberInput(model.RowsPerPattern().Int()),
RowsPerBeat: NewNumberInput(model.RowsPerBeat().Int()),
Step: NewNumberInput(model.Step().Int()),
SongLength: NewNumberInput(model.SongLength().Int()),
Scope: NewOscilloscope(model),
MenuBar: NewMenuBar(model),
PlayBar: NewPlayBar(model),
WeightingTypeBtn: &Clickable{},
OversamplingBtn: &Clickable{},
SongSettingsExpander: &Expander{Expanded: true},
ScopeExpander: &Expander{},
LoudnessExpander: &Expander{},
PeakExpander: &Expander{},
}
return ret
}
func (s *SongPanel) Update(gtx C, t *Tracker) {
for s.WeightingTypeBtn.Clicked(gtx) {
t.Model.DetectorWeighting().Int().Set((t.DetectorWeighting().Value() + 1) % int(tracker.NumWeightingTypes))
}
for s.OversamplingBtn.Clicked(gtx) {
t.Model.Oversampling().Bool().Set(!t.Oversampling().Value())
}
}
func (s *SongPanel) Layout(gtx C, t *Tracker) D {
s.Update(gtx, t)
return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
layout.Rigid(func(gtx C) D {
return s.MenuBar.Layout(gtx, t)
}),
layout.Rigid(func(gtx C) D {
return layout.Background{}.Layout(gtx,
func(gtx C) D {
// push defer clip op
defer clip.Rect(image.Rect(0, 0, gtx.Constraints.Min.X, gtx.Constraints.Min.Y)).Push(gtx.Ops).Pop()
paint.FillShape(gtx.Ops, songSurfaceColor, clip.Rect(image.Rect(0, 0, gtx.Constraints.Max.X, gtx.Constraints.Max.Y)).Op())
return D{Size: image.Pt(gtx.Constraints.Min.X, gtx.Constraints.Min.Y)}
},
func(gtx C) D {
return s.PlayBar.Layout(gtx, t.Theme)
},
)
}),
layout.Rigid(func(gtx C) D {
return s.layoutSongOptions(gtx, t)
}),
)
}
func (t *SongPanel) layoutSongOptions(gtx C, tr *Tracker) D {
paint.FillShape(gtx.Ops, songSurfaceColor, clip.Rect(image.Rect(0, 0, gtx.Constraints.Max.X, gtx.Constraints.Max.Y)).Op())
scopeStyle := LineOscilloscope(t.Scope, tr.SignalAnalyzer().Waveform(), tr.Theme)
var weightingTxt string
switch tracker.WeightingType(tr.Model.DetectorWeighting().Value()) {
case tracker.KWeighting:
weightingTxt = "K-weight (LUFS)"
case tracker.AWeighting:
weightingTxt = "A-weight"
case tracker.CWeighting:
weightingTxt = "C-weight"
case tracker.NoWeighting:
weightingTxt = "No weight (RMS)"
}
weightingBtn := LowEmphasisButton(tr.Theme, t.WeightingTypeBtn, weightingTxt)
weightingBtn.Color = mediumEmphasisTextColor
oversamplingTxt := "Sample peak"
if tr.Model.Oversampling().Value() {
oversamplingTxt = "True peak"
}
oversamplingBtn := LowEmphasisButton(tr.Theme, t.OversamplingBtn, oversamplingTxt)
oversamplingBtn.Color = mediumEmphasisTextColor
return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
layout.Rigid(func(gtx C) D {
return t.SongSettingsExpander.Layout(gtx, tr.Theme, "Song",
func(gtx C) D {
return LabelStyle{Text: strconv.Itoa(tr.BPM().Value()) + " BPM", Color: mediumEmphasisTextColor, Alignment: layout.W, FontSize: tr.Theme.TextSize * 14.0 / 16.0, Shaper: tr.Theme.Shaper}.Layout(gtx)
},
func(gtx C) D {
return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "BPM", NumericUpDown(tr.Theme, t.BPM, "Song Length").Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Song length", NumericUpDown(tr.Theme, t.SongLength, "Song Length").Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Rows per pat", NumericUpDown(tr.Theme, t.RowsPerPattern, "Rows per pattern").Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Rows per beat", NumericUpDown(tr.Theme, t.RowsPerBeat, "Rows per beat").Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Cursor step", NumericUpDown(tr.Theme, t.Step, "Cursor step").Layout)
}),
)
})
}),
layout.Rigid(func(gtx C) D {
return t.LoudnessExpander.Layout(gtx, tr.Theme, "Loudness",
func(gtx C) D {
return LabelStyle{Text: fmt.Sprintf("%.1f dB", tr.Model.DetectorResult().Loudness[tracker.LoudnessShortTerm]), Color: mediumEmphasisTextColor, Alignment: layout.W, FontSize: tr.Theme.TextSize * 14.0 / 16.0, Shaper: tr.Theme.Shaper}.Layout(gtx)
},
func(gtx C) D {
return layout.Flex{Axis: layout.Vertical, Alignment: layout.End}.Layout(gtx,
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Momentary", dbLabel(tr.Theme, tr.Model.DetectorResult().Loudness[tracker.LoudnessMomentary]).Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Short term", dbLabel(tr.Theme, tr.Model.DetectorResult().Loudness[tracker.LoudnessShortTerm]).Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Integrated", dbLabel(tr.Theme, tr.Model.DetectorResult().Loudness[tracker.LoudnessIntegrated]).Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Max. momentary", dbLabel(tr.Theme, tr.Model.DetectorResult().Loudness[tracker.LoudnessMaxMomentary]).Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Max. short term", dbLabel(tr.Theme, tr.Model.DetectorResult().Loudness[tracker.LoudnessMaxShortTerm]).Layout)
}),
layout.Rigid(func(gtx C) D {
gtx.Constraints.Min.X = 0
return weightingBtn.Layout(gtx)
}),
)
},
)
}),
layout.Rigid(func(gtx C) D {
return t.PeakExpander.Layout(gtx, tr.Theme, "Peaks",
func(gtx C) D {
maxPeak := max(tr.Model.DetectorResult().Peaks[tracker.PeakShortTerm][0], tr.Model.DetectorResult().Peaks[tracker.PeakShortTerm][1])
return dbLabel(tr.Theme, maxPeak).Layout(gtx)
},
func(gtx C) D {
return layout.Flex{Axis: layout.Vertical, Alignment: layout.End}.Layout(gtx,
// no need to show momentary peak, it does not have too much meaning
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Short term L", dbLabel(tr.Theme, tr.Model.DetectorResult().Peaks[tracker.PeakShortTerm][0]).Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Short term R", dbLabel(tr.Theme, tr.Model.DetectorResult().Peaks[tracker.PeakShortTerm][1]).Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Integrated L", dbLabel(tr.Theme, tr.Model.DetectorResult().Peaks[tracker.PeakIntegrated][0]).Layout)
}),
layout.Rigid(func(gtx C) D {
return layoutSongOptionRow(gtx, tr.Theme, "Integrated R", dbLabel(tr.Theme, tr.Model.DetectorResult().Peaks[tracker.PeakIntegrated][1]).Layout)
}),
layout.Rigid(func(gtx C) D {
gtx.Constraints.Min.X = 0
return oversamplingBtn.Layout(gtx)
}),
)
},
)
}),
layout.Flexed(1, func(gtx C) D {
return t.ScopeExpander.Layout(gtx, tr.Theme, "Oscilloscope", func(gtx C) D { return D{} }, scopeStyle.Layout)
}),
layout.Rigid(func(gtx C) D {
labelStyle := LabelStyle{Text: version.VersionOrHash, FontSize: unit.Sp(12), Color: mediumEmphasisTextColor, Shaper: tr.Theme.Shaper}
return labelStyle.Layout(gtx)
}),
)
}
func dbLabel(th *material.Theme, value tracker.Decibel) LabelStyle {
color := mediumEmphasisTextColor
if value >= 0 {
color = errorColor
}
return LabelStyle{
Text: fmt.Sprintf("%.1f dB", value),
Color: color,
Alignment: layout.W,
FontSize: th.TextSize * 14.0 / 16.0,
Shaper: th.Shaper,
}
}
func layoutSongOptionRow(gtx C, th *material.Theme, label string, widget layout.Widget) D {
leftSpacer := layout.Spacer{Width: unit.Dp(6), Height: unit.Dp(24)}.Layout
rightSpacer := layout.Spacer{Width: unit.Dp(6)}.Layout
return layout.Flex{Axis: layout.Horizontal, Alignment: layout.Middle}.Layout(gtx,
layout.Rigid(leftSpacer),
layout.Rigid(LabelStyle{Text: label, Color: mediumEmphasisTextColor, Alignment: layout.W, FontSize: th.TextSize * 14.0 / 16.0, Shaper: th.Shaper}.Layout),
layout.Flexed(1, func(gtx C) D { return D{Size: gtx.Constraints.Min} }),
layout.Rigid(widget),
layout.Rigid(rightSpacer),
)
}
type Expander struct {
Expanded bool
click gesture.Click
}
func (e *Expander) Update(gtx C) {
for ev, ok := e.click.Update(gtx.Source); ok; ev, ok = e.click.Update(gtx.Source) {
switch ev.Kind {
case gesture.KindClick:
e.Expanded = !e.Expanded
}
}
}
func (e *Expander) Layout(gtx C, th *material.Theme, title string, smallWidget, largeWidget layout.Widget) D {
e.Update(gtx)
return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
layout.Rigid(func(gtx C) D { return e.layoutHeader(gtx, th, title, smallWidget) }),
layout.Rigid(func(gtx C) D {
if e.Expanded {
return largeWidget(gtx)
}
return D{}
}),
layout.Rigid(func(gtx C) D {
px := max(gtx.Dp(unit.Dp(1)), 1)
paint.FillShape(gtx.Ops, color.NRGBA{255, 255, 255, 3}, clip.Rect(image.Rect(0, 0, gtx.Constraints.Max.X, px)).Op())
return D{Size: image.Pt(gtx.Constraints.Max.X, px)}
}),
)
}
func (e *Expander) layoutHeader(gtx C, th *material.Theme, title string, smallWidget layout.Widget) D {
return layout.Background{}.Layout(gtx,
func(gtx C) D {
defer clip.Rect(image.Rect(0, 0, gtx.Constraints.Min.X, gtx.Constraints.Min.Y)).Push(gtx.Ops).Pop()
// add click op
e.click.Add(gtx.Ops)
return D{Size: image.Pt(gtx.Constraints.Min.X, gtx.Constraints.Min.Y)}
},
func(gtx C) D {
leftSpacer := layout.Spacer{Width: unit.Dp(6), Height: unit.Dp(24)}.Layout
return layout.Flex{Axis: layout.Horizontal, Alignment: layout.Middle}.Layout(gtx,
layout.Rigid(leftSpacer),
layout.Rigid(LabelStyle{Text: title, Color: disabledTextColor, Alignment: layout.W, FontSize: th.TextSize * 14.0 / 16.0, Shaper: th.Shaper}.Layout),
layout.Flexed(1, func(gtx C) D { return D{Size: gtx.Constraints.Min} }),
layout.Rigid(func(gtx C) D {
if !e.Expanded {
return smallWidget(gtx)
}
return D{}
}),
layout.Rigid(func(gtx C) D {
// draw icon
icon := icons.NavigationExpandMore
if e.Expanded {
icon = icons.NavigationExpandLess
}
gtx.Constraints.Min = image.Pt(gtx.Dp(unit.Dp(24)), gtx.Dp(unit.Dp(24)))
return widgetForIcon(icon).Layout(gtx, th.Palette.Fg)
}),
)
},
)
}
type MenuBar struct {
Clickables []Clickable
Menus []Menu
fileMenuItems []MenuItem
editMenuItems []MenuItem
midiMenuItems []MenuItem
panicHint string
PanicBtn *BoolClickable
}
func NewMenuBar(model *tracker.Model) *MenuBar {
ret := &MenuBar{
Clickables: make([]Clickable, 3),
Menus: make([]Menu, 3),
PanicBtn: NewBoolClickable(model.Panic().Bool()),
panicHint: makeHint("Panic", " (%s)", "PanicToggle"),
}
ret.fileMenuItems = []MenuItem{
{IconBytes: icons.ContentClear, Text: "New Song", ShortcutText: keyActionMap["NewSong"], Doer: model.NewSong()},
{IconBytes: icons.FileFolder, Text: "Open Song", ShortcutText: keyActionMap["OpenSong"], Doer: model.OpenSong()},
{IconBytes: icons.ContentSave, Text: "Save Song", ShortcutText: keyActionMap["SaveSong"], Doer: model.SaveSong()},
{IconBytes: icons.ContentSave, Text: "Save Song As...", ShortcutText: keyActionMap["SaveSongAs"], Doer: model.SaveSongAs()},
{IconBytes: icons.ImageAudiotrack, Text: "Export Wav...", ShortcutText: keyActionMap["ExportWav"], Doer: model.Export()},
}
if canQuit {
ret.fileMenuItems = append(ret.fileMenuItems, MenuItem{IconBytes: icons.ActionExitToApp, Text: "Quit", ShortcutText: keyActionMap["Quit"], Doer: model.Quit()})
}
ret.editMenuItems = []MenuItem{
{IconBytes: icons.ContentUndo, Text: "Undo", ShortcutText: keyActionMap["Undo"], Doer: model.Undo()},
{IconBytes: icons.ContentRedo, Text: "Redo", ShortcutText: keyActionMap["Redo"], Doer: model.Redo()},
{IconBytes: icons.ImageCrop, Text: "Remove unused data", ShortcutText: keyActionMap["RemoveUnused"], Doer: model.RemoveUnused()},
}
for input := range model.MIDI.InputDevices {
ret.midiMenuItems = append(ret.midiMenuItems, MenuItem{
IconBytes: icons.ImageControlPoint,
Text: input.String(),
Doer: model.SelectMidiInput(input),
})
}
return ret
}
func (t *MenuBar) Layout(gtx C, tr *Tracker) D {
gtx.Constraints.Max.Y = gtx.Dp(unit.Dp(36))
gtx.Constraints.Min.Y = gtx.Dp(unit.Dp(36))
panicBtnStyle := ToggleIcon(gtx, tr.Theme, t.PanicBtn, icons.AlertErrorOutline, icons.AlertError, t.panicHint, t.panicHint)
if t.PanicBtn.Bool.Value() {
panicBtnStyle.IconButtonStyle.Color = errorColor
}
menuLayouts := []layout.FlexChild{
layout.Rigid(tr.layoutMenu(gtx, "File", &t.Clickables[0], &t.Menus[0], unit.Dp(200), t.fileMenuItems...)),
layout.Rigid(tr.layoutMenu(gtx, "Edit", &t.Clickables[1], &t.Menus[1], unit.Dp(200), t.editMenuItems...)),
}
if len(t.midiMenuItems) > 0 {
menuLayouts = append(
menuLayouts,
layout.Rigid(tr.layoutMenu(gtx, "MIDI", &t.Clickables[2], &t.Menus[2], unit.Dp(200), t.midiMenuItems...)),
)
}
menuLayouts = append(menuLayouts, layout.Flexed(1, func(gtx C) D {
return layout.E.Layout(gtx, panicBtnStyle.Layout)
}))
return layout.Flex{Axis: layout.Horizontal, Alignment: layout.End}.Layout(gtx, menuLayouts...)
}
type PlayBar struct {
RewindBtn *ActionClickable
PlayingBtn *BoolClickable
RecordBtn *BoolClickable
FollowBtn *BoolClickable
LoopBtn *BoolClickable
// Hints
rewindHint string
playHint, stopHint string
recordHint, stopRecordHint string
followOnHint, followOffHint string
loopOffHint, loopOnHint string
}
func NewPlayBar(model *tracker.Model) *PlayBar {
ret := &PlayBar{
LoopBtn: NewBoolClickable(model.LoopToggle().Bool()),
RecordBtn: NewBoolClickable(model.IsRecording().Bool()),
FollowBtn: NewBoolClickable(model.Follow().Bool()),
PlayingBtn: NewBoolClickable(model.Playing().Bool()),
RewindBtn: NewActionClickable(model.PlaySongStart()),
}
ret.rewindHint = makeHint("Rewind", "\n(%s)", "PlaySongStartUnfollow")
ret.playHint = makeHint("Play", " (%s)", "PlayCurrentPosUnfollow")
ret.stopHint = makeHint("Stop", " (%s)", "StopPlaying")
ret.recordHint = makeHint("Record", " (%s)", "RecordingToggle")
ret.stopRecordHint = makeHint("Stop", " (%s)", "RecordingToggle")
ret.followOnHint = makeHint("Follow on", " (%s)", "FollowToggle")
ret.followOffHint = makeHint("Follow off", " (%s)", "FollowToggle")
ret.loopOffHint = makeHint("Loop off", " (%s)", "LoopToggle")
ret.loopOnHint = makeHint("Loop on", " (%s)", "LoopToggle")
return ret
}
func (pb *PlayBar) Layout(gtx C, th *material.Theme) D {
rewindBtnStyle := ActionIcon(gtx, th, pb.RewindBtn, icons.AVFastRewind, pb.rewindHint)
playBtnStyle := ToggleIcon(gtx, th, pb.PlayingBtn, icons.AVPlayArrow, icons.AVStop, pb.playHint, pb.stopHint)
recordBtnStyle := ToggleIcon(gtx, th, pb.RecordBtn, icons.AVFiberManualRecord, icons.AVFiberSmartRecord, pb.recordHint, pb.stopRecordHint)
noteTrackBtnStyle := ToggleIcon(gtx, th, pb.FollowBtn, icons.ActionSpeakerNotesOff, icons.ActionSpeakerNotes, pb.followOffHint, pb.followOnHint)
loopBtnStyle := ToggleIcon(gtx, th, pb.LoopBtn, icons.NavigationArrowForward, icons.AVLoop, pb.loopOffHint, pb.loopOnHint)
return Surface{Gray: 37}.Layout(gtx, func(gtx C) D {
return layout.Flex{Axis: layout.Horizontal, Alignment: layout.Middle}.Layout(gtx,
layout.Flexed(1, playBtnStyle.Layout),
layout.Rigid(rewindBtnStyle.Layout),
layout.Rigid(recordBtnStyle.Layout),
layout.Rigid(noteTrackBtnStyle.Layout),
layout.Rigid(loopBtnStyle.Layout),
)
})
}